<template>
	<view class="container">
		<uni-card is-full :is-shadow="false">
			<text class="uni-h6">标签组件多用于商品分类、重点内容显示等场景。</text>
		</uni-card>
		<uni-section title="本地数据" type="line" padding style="height: calc(100vh - 100px);">
			<uni-data-picker placeholder="请选择班级" popup-title="请选择所在地区" :localdata="dataTree" v-model="classes"
				@change="onchange" @nodeclick="onnodeclick" @popupopened="onpopupopened" @popupclosed="onpopupclosed">
			</uni-data-picker>
		</uni-section>
	</view>
</template>


<script>
	export default {
		data() {
			return {
				classes: '1-2',
				dataTree: [{
					text: "一年级",
					value: "1-0",
					children: [{
						text: "1.1班",
						value: "1-1"
					},
					{
						text: "1.2班",
						value: "1-2"
					}]
				},
				{
					text: "二年级",
					value: "2-0",
					children: [{
						text: "2.1班",
						value: "2-1"
					},
					{
						text: "2.2班",
						value: "2-2"
					}]
				},
				{
					text: "三年级",
					value: "3-0",
					disable: true
				}]
			}
		},
		methods: {
			onnodeclick(e) {
				console.log(e);
			},
			onpopupopened(e) {
				console.log('popupopened');
			},
			onpopupclosed(e) {
				console.log('popupclosed');
			},
			onchange(e) {
				console.log('onchange:', e);
			}
		}
	}
</script>


<style>
	.title {
		font-size: 14px;
		font-weight: bold;
		margin: 20px 0 5px 0;
	}

	.data-pickerview {
		height: 400px;
		border: 1px #e5e5e5 solid;
	}

	 .popper__arrow {
    top: -6px;
    left: 50%;
    margin-right: 3px;
    border-top-width: 0;
    border-bottom-color: #EBEEF5;
}
 .popper__arrow {
    top: -6px;
    left: 50%;
    margin-right: 3px;
    border-top-width: 0;
    border-bottom-color: #EBEEF5;
}
</style>

